The term Beer Fermenter is a job that involves the use of YEAST to produce beer. YEAST is a microorganism that is used to convert sugars into alcohol and carbon dioxide, which is what gives beer its flavor and carbonation. The Beer Fermenter is responsible for controlling the fermentation process, ensuring that the beer is of the highest quality. They also monitor the temperature and pH levels of the beer, as well as the amount of YEAST used. The Beer Fermenter must also ensure that the beer is properly filtered and packaged before it is ready to be sold.